Granted Patent
Utility
US 4,385,313 · App. 06/238,861
Unitary optical assembly for projection television receiver
Inventors:
Robert E. Slater, Meyer L. Sugarman
Patented Case
View Patent ↗
Granted: May 24, 1983
Filed: Feb 27, 1981
Inventors
Robert E. Slater
Meyer L. Sugarman
Assignee (at issue)
Zenith Radio Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.